Pessoa, Fernando, 1888â€“1935, Portuguese poet, b. Lisbon. Reflecting the influence of both the classical tradition and French symbolism, his poetry moves from saudosismo, or nostalgia for a mythic past, to an increasing concern with consciousness and sensation. He is famous for having written under 73 different names. Four of these (his own, Alberto Caeiro, Ricardo Reis, and Ãlvaro de Campos) are well known. Each of these personas has his own putative biography, physical characteristics, relat..